Am 08.03.23 um 21:51 schrieb Security:
On Wed, 8 Mar 2023 15:31:02 +0100
hitachi303 <gentoo-u...@konstantinhansen.de> wrote:

Hello everyone,

I am trying to get my Huawei ME936 LTE/HSDPA+ 4G modem running. It is
build in the laptop.

#lsusb | grep -i huawei
Bus 003 Device 002: ID 12d1:15bb Huawei Technologies Co., Ltd. ME936
LTE/HSDPA+ 4G modem

#lspci | grep -i huawei
   - nothing -

#dmesg | grep -i huawei
[    0.869910] usbcore: registered new interface driver huawei_cdc_ncm
[    1.960760] usb 3-4: Product: HUAWEI Mobile Broadband Module
[    1.962533] usb 3-4: Manufacturer: Huawei Technologies Co., Ltd.

#ifconfig -a
lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
          inet 127.0.0.1  netmask 255.0.0.0
          inet6 ::1  prefixlen 128  scopeid 0x10<host>
          loop  txqueuelen 1000  (Lokale Schleife)
          RX packets 2096  bytes 167808 (163.8 KiB)
          RX errors 0  dropped 0  overruns 0  frame 0
          TX packets 2096  bytes 167808 (163.8 KiB)
          TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

sit0: flags=128<NOARP>  mtu 1480
          sit  txqueuelen 1000  (IPv6-nach-IPv4)
          RX packets 0  bytes 0 (0.0 B)
          RX errors 0  dropped 0  overruns 0  frame 0
          TX packets 0  bytes 0 (0.0 B)
          TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
          [... some info about my wifi ...]

wwp0s20f0u4c2: flags=4098<BROADCAST,MULTICAST>  mtu 1500
          ether 02:2c:80:13:92:63  txqueuelen 1000  (Ethernet)
          RX packets 0  bytes 0 (0.0 B)
          RX errors 0  dropped 0  overruns 0  frame 0
          TX packets 0  bytes 0 (0.0 B)
          TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


ofono is set as a use flag

I am using net-wireless/iw-5.9 for 
https://techship.com/faq/how-to-activate-the-data-connection-for-huawei-cellular-modules-over-the-usb-network-interface-in-linux/
my wifi and as far as I understand
this should be working with a modem as well.

net-dialup/ppp-2.4.9-r8 is installed. smstools are not. Would I need
them for data transfer?

I didn't find a guid at the gentoo wiki. Where could I find something?
Am I missing something obvious?

Thanks for the help.


Did you check out the generic guide[1] for USB WWAN modems? It looks pretty 
consistent from when I set up a Gobi 3G card years ago. I got lazy and use 
tethering.

This FAQ[2] walks you through a manual configuration of a Huawei WWWAN to test 
the concept.

You will need to know you SIM PIN if used and certainly your APN for your Cell 
Provider.

That ww* interface is auto-created and can be used with different 
configuration/managnement tools[3].

Good Luck!

[1] https://wiki.gentoo.org/wiki/USB_mobile_broadband_modem

[2] 
https://techship.com/faq/how-to-activate-the-data-connection-for-huawei-cellular-modules-over-the-usb-network-interface-in-linux/

[3] 
https://unix.stackexchange.com/questions/159086/difference-between-ppp0-vs-wwan0



Thanks for this.

The wiki [1] showed I am missing
<*>   USB driver for GSM and CDMA modems

So now there are /dev/ttyUSB0 to /dev/ttyUSB3

Does this mean I don't need the mode_switching stuff, since the modem is already there?

Also usb_modeswitch is in portage. This is not mentioned in the wiki. Might this part be outdated?

/etc/wvdial.conf
[Dialer Defaults]
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Modem Type = Analog Modem
; Phone = <Target Phone Number>
ISDN = 0
; Username = <Your Login Name>
Init1 = ATZ
; Password = <Your Password>
Modem = /dev/ttyUSB0
Baud = 9600

Does it matter it says "Analog Modem"?

Does using wvdial result in no need to use minicom like mentioned in [2]?

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